311011002013 has 4 divisors (see below), whose sum is σ = 311015206368. Its totient is φ = 311006797660.

The previous prime is 311011001993. The next prime is 311011002131. The reversal of 311011002013 is 310200110113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310200110113 = 26431 ⋅11736223.

It is a cyclic number.

It is not a de Polignac number, because 311011002013 - 2³⁷ = 173572048541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311011001984 and 311011002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311011005013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989193 + ... + 2139838.

It is an arithmetic number, because the mean of its divisors is an integer number (77753801592).

Almost surely, 2^311011002013 is an apocalyptic number.

It is an amenable number.

311011002013 is a deficient number, since it is larger than the sum of its proper divisors (4204355).

311011002013 is an equidigital number, since it uses as much as digits as its factorization.

311011002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204354.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 311011002013 its reverse (310200110113), we get a palindrome (621211112126).

The spelling of 311011002013 in words is "three hundred eleven billion, eleven million, two thousand, thirteen".